We're excited that you have an opinion about the name Constant. To rate names on Nameberry, please register for an account or log in to an existing account. You will receive an email (no more than once per day) summarizing any new mentions of Constant on Nameberry.
Most paleontologists now agree that an asteroid did hit the Earth at approximately the end of the Cretaceous, but there is an ongoing dispute whether the impact was the sole cause of the extinctions. There is evidence that there was an interval of about 7012946728000000000â 300 ka from the impact to the mass extinction.
geologic time mesozoic era triassic period jurassic period cretaceous period the mesozoic era is the age of the dinosaurs and lasted almost 180 million years from approximately 250 to 65 million years ago this era includes 3 well known periods called the triassic jurassic and cretaceous periods a mass extinction marked the beginning and end of the mesozoic era the event that caused the transition from the paleozoic era to the mesozoic era was the greatest extinction this earth has seen